Monday

March 2, 2015

March 2, 2015

Number of results: 24,697

**Alegebra 1**

Urn A has balls numbered 1 through 7. Urn B has balls numbered 1 through 5. A ball is selected at random from urn A and then a ball is selected at random from urn B. What is the probability that a 4 is drawn from A followed by a 2 from B?
*September 8, 2009 by maria*

**Alegebra**

Can some one please help me with this 3 problems I have a hard time with probabilities I'm studying for my mid-term. Thank you 1) Urn A has balls numbered 1 through 7. Urn B has balls numbered 1 through 5. A ball is selected at random from urn A and then a ball is selected at ...
*September 11, 2009 by Jessi*

**MATH(STATISTICS)**

Urn A contains R red balls and W white balls, urn B contains r red balls and w white balls. a.If an urn is selected at random and a ball drawn, what is the probability that the ball is red? b.If a ball is drawn from urn A and put into urn B, and then a ball is drawn from urn B...
*October 5, 2011 by Anonymous*

**algebra**

a single ball is drawn from an urn containing 4 balls numbered 1 through 4. find the probability that the ball chosen is as follows: an even numbered ball or an odd numbered ball
*July 5, 2013 by Sandi*

**MATH**

An urn contains 8 pink and 7 red balls. 6 balls are randomly drawn from the urn in succession, with replacement. That is, after each draw, the selected ball is returned to the urn. What is the probability that all 6 balls drawn from the urn are pink? Round your answer to three...
*November 30, 2012 by Cindy*

**statistics**

An urn contains white and red balls. Four balls are randomly drawn from the urn in succession, with replacement. That is, after each draw, the selected ball is returned to the urn. What is the probability that all balls drawn from the urn are white? Round your answer to three ...
*November 15, 2012 by Anonymous*

**statistics**

An urn contains white and red balls. Four balls are randomly drawn from the urn in succession, with replacement. That is, after each draw, the selected ball is returned to the urn. What is the probability that all balls drawn from the urn are white? Round your answer to three ...
*November 15, 2012 by Anonymous*

**MATH**

Urn A contains six white balls and three black balls. Urn B contains seven white balls and five black balls. A ball is drawn from Urn A and then transferred to Urn B. A ball is then drawn from Urn B. What is the probability that the transferred ball was white given that the ...
*October 16, 2012 by Jon*

**Math (Probability)**

An urn A contains 6 white balls and 7 black balls. And urn B contains 8 white balls and 6 black balls. A person draws a ball at random from one of the two urns. It turns out to be black. What is probability that the ball was drawn from urn A? (A) 7/14 (B) 49/88 (C) 39/88 (D) ...
*October 11, 2012 by AngelG*

**Math (Probability)**

An urn A contains 6 white balls and 7 black balls. And urn B contains 8 white balls and 6 black balls. A person draws a ball at random from one of the two urns. It turns out to be black. What is probability that the ball was drawn from urn A? (A) 7/14 (B) 49/88 (C) 39/88 (D) ...
*October 11, 2012 by AngelG*

**Finite Math**

An urn contains six red balls and five white balls. A sample of 2 balls is selected at random from the urn. What is the probability that at least one of the balls is red?
*March 15, 2012 by Amanda*

**College Finite Math**

Your Open QuestionShow me another » If the ball is either blue or white, what is the probability that it was drawn from urn Y? Assume that you randomly pick one of the urns: X, Y, or Z. You then randomly draw one ball out of the selected urn and note its color. The urns ...
*April 2, 2009 by Nahla*

**Math-Probability**

An urn contains four red balls and three white balls. A sample of 2 balls is selected at random from the urn. What is the probability that at least one of the balls is red?
*March 16, 2012 by Emma*

**math**

An experiment consists of drawing one ball from a box containing 5 white balls numbered 1 through 5 and black balls numbered 6 through 10. Find the probability that a randomly selected ball is black and numbered 7.
*December 8, 2014 by trinx*

**maths**

In an urn, there are several colored balls, with equal numbers of each color. We add 14 balls which are all of the same new color, that is different from those in the urn. It is calculated that the probability of drawing, without replacement, two balls of the same color is the...
*June 22, 2013 by Anonymous*

**phy**

In an urn, there are several colored balls, with equal numbers of each color. We add 14 balls which are all of the same new color, that is different from those in the urn. It is calculated that the probability of drawing, without replacement, two balls of the same color is the...
*June 23, 2013 by Anonymous*

**Statistics**

Suppose an urn contains 10 balls numbered from 1 to 10. Someone draws 3 balls simultaneously from the urn (i.e. without replacement.) What is the probability that the lowest number drawn is 2? (8C3)/(10C3) but I know that is wrong. I also tried ((8C3)+(7C3)+(6C3))/(10C3)
*September 30, 2014 by Olivia*

**Math**

Suppose an urn contains 10 balls numbered from 1 to 10. Someone draws 3 balls simultaneously from the urn (i.e. without replacement.) What is the probability that the lowest number drawn is 2? (8C3)/(10C3) but I know that is wrong. I also tried ((8C3)+(7C3)+(6C3))/(10C3)
*October 1, 2014 by Olivia*

**math**

if a ball is selected at random from an urn containing two red balls, three white balls and five blue balls, what is the probability that it will be a white ball
*November 10, 2014 by mai*

**math**

In an urn, there are several colored balls, with equal numbers of each color. We add 14 balls which are all of the same new color, that is different from those in the urn. It is calculated that the probability of drawing , without replacement, two balls of the same color is ...
*June 17, 2013 by jack *

**statistics**

Two urns each contain yellow balls and black balls. Urn 1 contains 2 yellow balls and 6 black balls. urn2 contains 2 yellow balls and 5 black balls. A ball is drawn from each urn. What is the probability that both balls are yellow? Please show me how do do this math problem.
*March 12, 2008 by cortnie*

**Strayer University**

An urn contains white balls and red balls. If Juan chooses balls at random from the urn, what is the probability that he will select white balls and red balls? Round your answer to decimal places
*June 16, 2014 by Thomala*

**math**

An urn initially contains 5 white and 7 black balls. Each time a ball is selected, it’s color is noted and it is replaced in the urn along with two other balls of the same color. Compute the probability that (a) one black and one white is selected. (b) exactly two black balls ...
*November 8, 2014 by rajesh*

**math **

If a ball is selected at random from an urn containing six red balls, six white balls, and eight blue balls, what is the probability that it will be a white ball
*February 20, 2011 by Vanny*

**Math**

Each of two urns contains green balls and red balls. Urn one contains 10 green balls and 8 red balls. Urn two contains 3 green balls and 10 red balls. If a ball is drawn from each urn, what is P(red and red)? A. 23/18 B. 10/27 C. 40/117 D. 18/31
*April 17, 2014 by Chris*

**math *check***

8. Each of two urns contains green balls and red balls. Urn one contains 8 green balls and 12 red balls. Urn two contains 5 green balls and 8 red balls. If a ball is drawn from each urn, what is P(red and red)? A. 79/65 B. 24/65 C. 20/33******? D. 2/13
*June 10, 2014 by Me*

**math**

each of two urns contains green balls and red balls. urn I contains 8 green balls and 12 red balls. Urn II contains 5 green balls and 8 red balls. if a ball is drawn from each urn, what is P(red and red)? A. 79/65 B. 24/65 C. 20/33 D. 2/13
*May 7, 2014 by help please*

**maths**

urn contains 4 white and 6 red rolls. Four balls are drawn at random (without replacement) from the urn. Find the probability distribution of number of white balls?
*February 19, 2013 by Anonymous*

**statistics**

An urn contains 10 balls of which 6 are white, 3 are red and 1 is green. Two balls are drawn at random from the urn. Find the probability distribution of number of white balls drawn. Hence state the expected number of white balls one can get in such a draw.
*August 27, 2014 by URMILA*

**statistics**

An urn contains 10 balls of which 6 are white, 3 are red and 1 is green. Two balls are drawn at random from the urn. Find the probability distribution of number of white balls drawn. Hence state the expected number of white balls one can get in such a draw.
*September 5, 2014 by sam*

**statistics**

1. In a large box are 20 ping-pong balls—10 of them are red and numbered 1 through 10, and the other 10 of them are green and also numbered 1 through 10. Two balls are selected from the box without replacement. 1. a.Find the probability that the first ball selected is red and ...
*September 26, 2009 by John*

**Math**

Assume that you are drawing two balls without replacement from an urn that contains 13 green balls, 10 blue balls, and 1 red ball. What is the probability that you will draw a blue balls and a red ball?
*June 12, 2014 by Sarah*

**Math/Statistics**

I don't get how to do this...can anyone help? 1. In a large box are 20 ping-pong balls—10 of them are red and numbered 1 through 10, and the other 10 of them are green and also numbered 1 through 10. Two balls are selected from the box without replacement. 1. a.Find the ...
*September 27, 2009 by John*

**Finite Math-Probability**

Suppose we have an urn with 10 white balls and 6 red balls, and we create an experiment by randomly selecting 6 balls from the urn. a) What is the probability that the sample has the same number of white balls as red balls? b) What is the probability that there are more red ...
*November 24, 2012 by Em*

**Static**

The country of Statland runs a national lottery for its people. In this lottery, an urn contains 42 balls that are individually numbered 1, 2, ..., 42. Each week, 5 balls are drawn from the urn without replacement. Gamblers pay a small sum to predict these five numbers and the...
*January 24, 2015 by De*

**Finite**

An urn contains 5 white balls and 4 black balls. If 3 balls are randomly selected ( at once, without replacement ), what is the probability that at least 1 ball is black? Give answer as a decimal number with three correct decimal places.
*November 14, 2013 by zach*

**Statistics**

A box contains five numbered balls (1,2,2,3 and 4). We will randomly select two balls from the box (without replacement). (a) The outcome of interest is the number on each of the two balls we select. List the complete sample space of outcomes. (b) What is the probability of ...
*March 12, 2013 by Randy*

**statistics**

An urn contains 4 blue balls, 5 yellow balls and 7 red balls. if a single ball is selected, find the probability thet the ball is Red? Not blue? blue or yellow
*February 15, 2011 by Andrea*

**Mathematics**

There are 2 white marbles in urn A and 4 red marbles in urn B . At each step of the process a marble is selected from each urn and the 2 marbles are interchanged.What is the probability that there 2 red marbles in in urn A after three steps....please give an explanation
*October 24, 2011 by Subhadip *

**math**

Four balls are selected at random without replacement from an urn containing three white balls and five blue balls. Find the probability that two or three of the balls are white. (Round your answer to three decimal places.)
*February 27, 2011 by Anonymous*

**math probability **

Four balls are selected at random without replacement from an urn containing three white balls and five blue balls. Find the probability that two or three of the balls are white.
*February 28, 2011 by Sam*

**probability **

Four balls are selected at random without replacement from an urn containing three white balls and five blue balls. Find the probability that two or three of the balls are white
*February 27, 2011 by sam*

**Math**

Five balls are selected at random without replacement from an urn containing three white balls and five blue balls. Find the probability that two or three of the balls are white.
*April 10, 2011 by Brittany*

**Statistic**

A urn contains 21 red balls, 14 white balls If we randomly select 2 balls, one after the other without replacement, what is the probability that both of the balls selected are red?
*March 24, 2013 by Bella*

**math**

This exercise is about conditional probability. A jar contains five red balls numbered 1 to 5, and six green balls numbered 1 to 6. A ball is drawn at random from the jar. Find the following conditional probabilities. (Enter your probabilities as fractions.) (a) The ball is ...
*December 2, 2014 by deen*

**statistics**

An Urn contains 7 red and 3 white balls. Two balls are drawn in succession without replacement. If the second ball is white, what is the probability that the first ball was white?
*December 7, 2010 by Emily*

**Finite Math**

An urn contains sixteen red balls and seventeen white balls. A sample of three balls is selected at random and the number of red balls observed. Determine the probability distribution for this experiment: Number of Red Balls/Probability 0...Probability=? 1...Probability=? 2......
*April 5, 2012 by Amanda*

**Probability Distribution**

An urn has fifteen red balls and nineteen white balls. Three balls are selected at random and the number of red balls are observed. Find the probability distribution for Number of Red Balls: 0 = 1 = 2 = 3 =
*April 7, 2012 by F0reveryoung*

**Math Probability**

A lottery game has balls numbered from 0 - 9 If a ball is selected at random, what is the probability of selecting an even numbered ball or a 5 ? I am guessing this is Mutually exclusive event and hence used the OR= P(A)+P(B) concept considering 0 as an even number I keep ...
*December 4, 2011 by HM*

**math**

A basket contains 15 red numbered balls and 10 white numbered balls. A sample of five balls is selected. How many samples contain three red balls and two white balls? Explain your answer.
*March 18, 2013 by alice*

**math**

An urn holds 13 identical balls except that 2 are white, 4 are black, and 7 are red. An experiment consists of selecting two balls in succession without replacement and observing the color of each of the balls. How many outcomes are in the sample space for this experiment? How...
*February 2, 2011 by Kristin*

**Math **

A nickel is flipped and a dime is flipped. 1. What is the probability of obtaining exactly one head? A bag contains five balls numbered 0 through 4. Two balls are chosen at random in succession. The first ball is replaced before the second is chosen. 1. What is the probability...
*February 7, 2013 by Kyle*

**Probability **

A nickel is flipped and a dime is flipped. 1. What is the probability of obtaining exactly one head? A bag contains five balls numbered 0 through 4. Two balls are chosen at random in succession. The first ball is replaced before the second is chosen. 1. What is the probability...
*February 7, 2013 by Kyle*

**Math**

Please help with math!!!!!? 1. A bag contains 9 tiles numbered 1 to 9. P(4) = (1 point) . experimental; the result is found by repeating an experiment. . experimental; the result is based on the number of possible outcomes. . theoretical; the result is found by repeating an ...
*April 16, 2013 by Chico*

**math**

A lottery game has balls numbered 1 through 15. If a ball is selected at random, what is the probability of selecting a ball showing an even number or the number 12? I thought the answer would be 7 even numbers and 1 for the 12 which would be 8/15 is not an option for the ...
*November 27, 2010 by m*

**math**

An urn holds 13 identical balls except that 2 are white, 4 are black, and 7 are red. An experiment consists of selecting two balls in succession without replacement and observing the color of each of the balls.
*February 2, 2011 by Kristin*

**math-urgent**

1. two cards are drawn from a standard of 52 cards. Find the probability that the second card is a spade given that the first card is a club. 2. Suppose you draw 3 cards from a standard deck of 52 cards . Find the probability that the third card is a club given that the first ...
*April 3, 2014 by temmick*

**Probability**

1. You roll a number cube numbered one to six 12 times. P(5)=2/3. What type of probability is illustrated and why? A. Experimental; the result is based on the number of possible outcomes. B. Experimental; the result is found by repeating an experiment. C. Theoretical; the ...
*April 17, 2014 by Chris*

**Finite**

Assume that the box contains balls numbered from 1 through 28, and that 3 are selected. A random variable X is defined as 1 times the number of odd balls selected, plus 2 times the number of even. How many different values are possible for the random variable X? I know that is...
*October 8, 2012 by Sam*

**College Discrete **

An urn contains n > 0 white balls and m > 0 black balls. Consider the experiment where two balls are drawn without replacement. What is the probability that the balls are of the same color? What is the probability of this event, if the balls are drawn with replacement? ...
*October 16, 2012 by Anonymous*

**Statistics - math**

An urn contains 5 red balls and 10 white balls. 6 balls are randomly drawn and not replaced. What is the probability that 3 or fewer balls drawn are red?
*October 2, 2012 by Gina*

**Math**

The odds are 3 to 5 in favor of drawing a blue marble in one random drawing from an urn containing only red and blue marbles. There are more than 100 marbles in the urn. what is the minimum number of red marbles that there could be in the urn?
*November 4, 2012 by Carson*

**Statistics**

An urn contains 8 chips, numbered 1 through 8. A sample of 3 is drawn without replacement. What is the probability that the largest chip in the sample is a 5?
*June 24, 2011 by Nicholas*

**probability**

wooden balls are numbered 1-75. Five balls are drawn at random. What is the probability of drawing 5 consecutive numbers if no replacement occurs.? The first ball has a 1/75 chance of being selected. The second ball can be from either above or below the first, so it has a 2/74...
*December 11, 2006 by matt*

**data analysis **

- In the State of Georgia, one of the most popular lottery games is called Mega Millions. To play Mega Millions, you pay $1 and try to pick the numbers that will match five white balls and the one mega ball. There are 56 white balls numbered 1 to 56; and 46 mega balls numbered...
*January 4, 2011 by jeter*

**Probabilities ~~**

1.) a computer package sale comes with two different choices of printers and four different choices of monitors. if a store wants to display each package combination that is for sale, how many packages must be displayed? make a tree diagram showing the outcomes for selecting ...
*November 9, 2010 by Kay*

**math**

For this problem, assume the balls in the box are numbered 1 through 9, and that an experiment consists of randomly selecting 3 balls one after another without replacement. What probability should be assigned to the event that at least one ball has an odd number?
*September 13, 2010 by Laura*

**statistics**

For this problem, assume the balls in the box are numbered 1 through 9, and that an experiment consists of randomly selecting 3 balls one after another without replacement. What probability should be assigned to the event that at least one ball has an odd number?
*September 13, 2010 by Laura*

**Finite**

For this problem, assume the balls in the box are numbered 1 through 8, and that an experiment consists of randomly selecting 3 balls one after another without replacement. What probability should be assigned to the event that at least one ball has an odd number?
*January 23, 2011 by Hil*

**Math**

For this problem, assume the balls in the box are numbered 1 through 8, and that an experiment consists of randomly selecting 2 balls one after another without replacement. What probability should be assigned to the event that at least one ball has an odd number?
*January 26, 2011 by Amanda*

**math**

Numbered disks are placed in a box and one disk is selected at random. There are 6 red disks numbered 1 through 6, and 7 yellow disks numbered 7 through 13. In an experiment a disk is selected, the number and color noted, replaced, and then a second disk is selected. Is this ...
*February 26, 2011 by Anonymous*

**Math**

A bag contains 5 balls,8 white balls, 9 green balls,7 blue balls& 6 yellow balls.A ball is drawn at random .Find the probablity that the ball in neither green nor red ?
*March 8, 2012 by Rajit Rastogi*

**Physics- Momentum**

A 170g cue ball is moving at 3.0 m/s when it strikes a 160g stationary numbered ball (object ball). After the collision the balls move off as shown. Determine the speed of the cue ball and the numbered (object) ball after the collision. The diagram illustrates the cue ball ...
*February 15, 2015 by Mysty*

**Math**

Three boxes each contain a number of billiard balls. One box contains only even-numbered balls, one box contains only odd numbered billiard balls, and the third box contains a mixture of odd and even numbered balls. All the boxes are mislabeled. By selecting one ball from only...
*February 17, 2015 by Erika*

**statistics**

A jar contains 2 red balls, 2 blue balls, 2 green balls and 1 orange ball. Balls are randomly selected, without replacement, until 2 of the same colour are obtained. Calculate the probability that more than 3 balls must be selected.
*August 7, 2014 by Koala*

**math 157**

A box contains three black balls and two golden balls. A ball is selected at random, it's color is recorded and it is then replaced. A second ball is selected at random, it's color is recorded it is then replaced. The outcome is associated with this type of selection is an ...
*January 9, 2010 by Rmz*

**stats**

A box contains 10 red balls and 20 blue balls. Three balls are selected at random one after the other from the box, without replacement. If the first two balls selected are both blue, what is the probability that the third ball selected is red?
*February 7, 2015 by larry*

**College Mathematics**

(odds) Playing Bingo:When playing bingo, 75 balls are placed in a bin and balls are selected at random. Each ball is marked with a letter and a number as indicated in the following chart: B: 1-15 I: 16-30 N:31-45 G:46-60 O:61-75. For example there are balls marked B1,B2 up to ...
*March 11, 2013 by slomomo*

**physics**

A cable is used to raise a 30 urn from an underwater archeological site. There is a 29 drag force from the water as the urn is raised at a constant speed.
*October 15, 2011 by Anonymous*

**Math**

A box containing 20 yellow balls, 9 red balls and 6 blue balls. If the balls are selected at random, what is the smallest number of balls that need to be selected so you will select at least two balls of each colour
*May 4, 2014 by Baby girl*

**math- odds**

A bag contains 13 balls numbered 1 through 13. What are the odds in favor of selecting a ball that has an even number? Explain why?
*November 13, 2009 by matt*

**Math**

Suppose an urn contains 8 red,5 white and 7 blue marbles.a.If 3 marbles are drawn at random from the urn with replacement,what is the probability that three marbles are red?
*November 15, 2013 by Leonard*

**Math-Probability**

Suppose an urn contains 8 red,5 white and 7 blue marbles.If 3 marbles are drawn at random from the urn with replacement,what is the probability that three marbles are the same color?Give answer in a reduced fraction.
*November 14, 2013 by Melina*

**math**

1. A bag contains 9 tiles numbered 1 to 9. P(4) = (1 point) experimental; the result is found by repeating an experiment. experimental; the result is based on the number of possible outcomes. theoretical; the result is found by repeating an experiment. theoretical; the result ...
*April 23, 2013 by AKA *

**statistics**

A jar contains 7 red balls, 5 green balls, 4 blue balls, and 3 white balls. A sample of size 7 balls is selected at random without replacement . Find t the probability that sample contains two red balls, 2 green balls, 2 blue balls, and 1 white ball.
*December 26, 2014 by kp*

**maths**

A coffee urn holds 12 litres when full. Harry fills coffee cups from the urn until the coffee runs out. A)How many 140ml cups of coffee can be filled from the urn? B)At the end there is not enough coffee left to fill a cup, Harry decides to drink it himself. How much coffee is...
*February 24, 2011 by Anonymous*

**Maths**

A coffee urn holds 12 litres when full. Harry fills coffee cups from the urn until the coffee runs out. A)How many 140mls cups of coffee can be filled from the urn? B)At the end there is not enough coffee left to fill a cup, Harry decides to drink it himself. How much coffee ...
*February 24, 2011 by Anonymous*

**Probabilities**

A bag contains 150 balls numbered 1 through 150 . Three balls are drawn and placed on the table. The probability that the balls were drawn in increasing order can be expressed as a/b where a and are coprime positive integers. What is the value of a+b
*April 1, 2013 by Anna*

**elementry math **

A box contains three black balls and two gold balls. A ball is selected at random, its color is recorded, and it is then replaced. A second ball is then selected at random and its color recorded. The outcome associated with this type of selection is an ordered pair (first draw...
*January 10, 2010 by katie *

**Conditional Probability**

A box contains 1 green ball, 2 blue balls, and 3 red balls. These balls are selected at random, one after another without replacement, and their colors are noted. Find the conditional probability that the third ball is red given exactly one ball is red.
*September 20, 2012 by Sarah*

**Math**

"In vase A, there are 3 red balls and 5 white balls. In vase B, there are 6 red balls and 4 white balls. Two balls are to be drawn at random, without replacement, from each vase. What is the probability of selecting 4 red balls?" (Answer: 1/28) So I thought about doing 4 cases...
*May 3, 2010 by Stuck*

**Math Ms. Sue Please**

1. A bag contains 9 tiles numbered 1 to 9. P(4) one-ninth = A. experimental; the result is found by repeating an experiment. B. experimental; the result is based on the number of possible outcomes. C. theoretical; the result is found by repeating an experiment. D. theoretical...
*May 2, 2013 by Sumii*

**English**

For Keats in "Ode on a Grecian Urn," the lovers pictured on the urn symbolize his * eternal youth and hope. * maturation and full fruition. * despair and frustrated desire. * deep satisfaction and fulfillment.
*April 7, 2010 by Skye*

**statistics**

Urn I and Urn II each have 2 red chips and 2 white chips. Two chips are drawn simultaneously from each urn. Let X1 be the number of red chips in the first sample and X2 the number of red chips in the second sample. Find the pdf of X1 + X2
*May 28, 2012 by angela*

**Statistics**

A bowl contains 3 red balls, 2 blue balls and 5 white balls. A ball is selected and the color noted. Then it is replaced. A second ball is selected and its color noted. Find the probability of getting a red ball and a blue ball.
*November 18, 2010 by Maryan*

**Probability - CHECK**

Could someone check my answers for these questions: 62. Powerball is played with 55 white balls, numbered 1 through 55 and 42 red balls, numbered 1 through 42. Five white balls and one red ball are drawn. In how many ways can a player select the six numbers? Answer: 141607962 ...
*March 9, 2009 by Tanimura*

**PROBAbility!!!!**

A bag contains 150 balls numbered 1 through 150. Three balls are drawn and placed on the table. The probability that the balls were drawn in increasing order can be expressed as a/b where a and b are coprime positive integers. What is the value of a+b?
*April 2, 2013 by please help me out!!*

**math**

A box contains 8 blue balls and 2 red balls. Three balls are selected from the box at random without replacement. Find the probability that two balls are blue and one ball is red.
*May 2, 2011 by Suetusi*

**d**

given piles of identical red, blue and green balls where each pile contains at least 10 balls, how many ways can 10 balls be selected such that exactly two green balls are selected and at most one red ball is selected?
*June 16, 2013 by Anonycmous*

**statistics**

There are eight balls in an urn. They are identical except for color. Five are red, two are blue, and one is yellow
*October 6, 2011 by Anonymous*

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